/// <summary>
/// Returns the count of whitespace at the front of the line provided.
/// </summary>
/// <param name="tokenNode">
/// The tokenNode to start at.
/// </param>
/// <returns>
/// The count of the leftmost whitespace.
/// </returns>
public static int GetOffsetToStartOfLine(ITokenNode tokenNode)
{
ITokenNode firstTokenOnLine = Utils.GetFirstNewLineTokenToLeft(tokenNode).GetNextToken();
TreeOffset startPosition = firstTokenOnLine.ToTreeNode().GetTreeStartOffset();
return tokenNode.ToTreeNode().GetTreeStartOffset() - startPosition;
}
